Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Reverse Sun Gear
Disassembly
1. Remove the reverse clutch sun gear assembly and the No. 4 forward clutch
hub bearing and
race.
2. Remove the forward clutch sun gear assembly and the No. 5 forward clutch
sun gear bearing
and race.
Assembly
1. The forward clutch ...
Cylinder Heads (Removal)
Special Tool(s)
Remover, Crankshaft Vibration
Damper
303-009 (T58P-6316-D)
Remover, Crankshaft Front Oil
Seal
303-107 (T74P-6700-A)
Engine Lift Bracket Set
303-DS086 (D93P-6001-A)
Compressor, Valve Sprin ...
Disassembly
1. CAUTION: Hand tighten the special tool to prevent gear damage.
CAUTION: Support the output shaft while using the press to prevent
damage to the
shaft or gears.
Using the special tool and a press, remove first gear, the output shaft rear
bearing ...
